Home / 492,091.20-738,136.80-373,118.40

Finding the Fourth Proportional to 492,091.20, 738,136.80 and 373,118.40

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Solution

The fourth proportional to 492,091.20, 738,136.80 and 373,118.40 is: 559,677.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,091.20 : 738,136.80 = 373,118.40 : x
  2. Step 2: Convert to fraction form
    492,091.20/738,136.80 = 373,118.40/x
  3. Step 3: Cross multiply
    492,091.20x = 738,136.80 × 373,118.40
  4. Step 4: Simplify right side
    492,091.20x = 275,412,421,797.12
  5. Step 5: Solve for x
    x = 275,412,421,797.12/492,091.20
  6. Step 6: Final answer
    x = 559,677.60

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.